/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.hive.service.auth.ldap;

import javax.security.sasl.AuthenticationException;

/**
 * The object that filters LDAP users.
 * <br>
 * The assumption is that this user was already authenticated by a previous bind operation.
 */
public interface Filter {

  /**
   * Applies this filter to the authenticated user.
   * @param client LDAP client that will be used for execution of LDAP queries.
   * @param user username
   * @throws AuthenticationException
   */
  void apply(DirSearch client, String user) throws AuthenticationException;
}
